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� OSTP Basic Pump Setection Desi�n � <br /> :�� <br /> M�nnesoW Pollutfon Worksheet Uy I VERSITY <br /> ControlAgenc OF MINNESOTA '=��' <br /> 1. PUMP CAPACITY Pro�ect ID: <br /> Pumping to Gravtty or Pressure Oistribution: ^ c,a�ri �o,�e�e 5e�ection required <br /> 1. If p�mping to gravity enter the gatton per mi�ute oi the pump: �GPM !10-45 3Pm1 <br /> 2. If pumpi�g to a pressurized distnbutton system: 29.0 GPM <br /> 3. Enter pump descrip[ion: <br /> 2. HEAD REQUIREMENTS a�".,`��d�`�� <br /> A. Elevation Difference ��n � <br /> becween pump and pomt of discharge: '�"� <br /> � ,o't'--- e,�.e.x,;:- <br /> B. Distribution Head Loss: �. 5 �ft �� a.n.��� � <br /> ,' . ` : � <br /> �_J , ; <br /> _ j � <br /> C. Addi[ional Head Loss: ��ft Idue co special equipmmc.etcJ �--�-�---------------^---�--- --.--.--..-.- <br /> Table I.Friction Loss in Plastic Pipe per 1pp(t <br /> Distribution Head t.oss __. _ . ___ ___ .___ __ <br /> Gravity Distribution = Oft Ftov�Rate P�pe Diameter ttnchesl <br /> iGPMi 1 t.25 : t.5 2 <br /> Pressure Oistribut9on based on nAinlmum Average Head 10 9.1 . 3.i + t.3 � 0.3 <br /> Vatue on Preswre pistribution Worksheet: <br /> 12 : t2.8 4.3 � 1.8 0.4 <br /> Minimum Avera e Head DistNbutbn Head Loss �q �7,0 5.7 2.4 O.b <br /> 7ft 5ft 1b 21.$ ' 7.3 ! 3.0 0.7 <br /> 2ft bft <br /> Sft �pft �$ 9.i • 3.8 d.9 <br /> 20 � � tt.1 i 4.6 �- 1.1 <br /> C� Z5 16.8 6.9 1 J <br /> D. t.Suppty Rpe Diameter. 2.Q in 30 i 23.5 1 9.7 2.4 <br /> 2.Supply Pipe Length: �ft 35 ; 12.9 3.2 <br /> '--•--� � + 76.5 �i.t <br /> E. Friction Loss in Ptastic Pipe per t00ft from Table I: '�5 ' 2US ' S.0 <br /> 50 ' ` 6.t <br /> I <br /> Fnction Loss= Z.23 ft per t0pft of pipe 55 ` 7,3 <br /> � ' � 8.6 <br /> F. �termirte Equiva(ent Pipe Lenqth from pump discharge to soit dtspersal area dtscharge 65 � � 10.0 <br /> potnt. EsUmate by addtng 25X to supply pipe tength for fitting loss. Suppfy Pipe tength 7O � � 1 1.4 <br /> (D.21 X�.25=Equivalent Pipe Leng[h 75 f <br /> ' 13.0 <br /> � tt X t.25 = 55A ft 85 � 16.�1 <br /> 95 ; 20.7 <br /> G. Calcutate Supply FriCtion toss by muttiptying Fric[ion Loss Per f�ft (Line Ei by the Equivalent Pipe Length (Line F)and divide by 100. <br /> Supply Fnttio�Loss= <br /> 2.23 ft per t00ft X 55.0 ft + 100 - 1.2 ft <br /> H• To[al Nevd requirement is[he sum of the Elevation Diffe�ence iline A�,the Disiribution Head�oss�Line B),Additional Head Loss(line C�,and <br /> the Suppty Fnction Loss(Line G) <br /> 7.0 ft - 5.0 ft - �ft - 1.2 ft = t3_2 ft <br /> 3, PUMP SELECTION <br /> A pump must be selected to deliver at teast 29,Q GPM(Lure t or Line 2►vnth at teast �3.2 feet of totat head. <br /> Comments: <br />